Effects of PET Fibers on Pumpability, Shootability, and Mechanical Properties of Wet-Mix Shotcrete

Table 3

Levels of variables used in orthogonal test.

Variable	Fiber width (mm)	Fiber length (mm)	Fiber content (kg/m^3)
Level 1	1	10	5
Level 2	2	20	7
Level 3	3	30	9